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2016-07-05build: Use $(CCAS) for compiling .S filesRichard Henderson
We fail to pass to $(AS) all of the different flags that may be required for a given set of CFLAGS. Rather than figuring out the host-specific mapping, it's better to allow the compiler driver to do that. However, simply using $(CC) runs afoul of clang trying to build the option roms. C.f. 3dd46c78525a30e98c68, wherein we changed from using $(CC) to using $(AS) in the first place. Work around this by passing -fno-integrated-as to clang, so that we use the external assembler, and the clang driver still passes along all of the options that the assembler might require. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-Id: <1466703558-7723-1-git-send-email-rth@twiddle.net>
2016-07-04crypto: allow default TLS priority to be chosen at build timeDaniel P. Berrange
Modern gnutls can use a global config file to control the crypto priority settings for TLS connections. For example the priority string "@SYSTEM" instructs gnutls to find the priority setting named "SYSTEM" in the global config file. Latest gnutls GIT codebase gained the ability to reference multiple priority strings in the config file, with the first one that is found to existing winning. This means it is now possible to configure QEMU out of the box with a default priority of "@QEMU,SYSTEM", which says to look for the settings "QEMU" first, and if not found, use the "SYSTEM" settings. To make use of this facility, we introduce the ability to set the QEMU default priority at build time via a new configure argument. It is anticipated that distro vendors will set this when building QEMU to a suitable value for use with distro crypto policy setup. eg current Fedora would run ./configure --tls-priority=@SYSTEM while future Fedora would run ./configure --tls-priority=@QEMU,SYSTEM Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-04crypto: switch hash code to use nettle/gcrypt directlyDaniel P. Berrange
Currently the internal hash code is using the gnutls hash APIs. GNUTLS in turn is wrapping either nettle or gcrypt. Not only were the GNUTLS hash APIs not added until GNUTLS 2.9.10, but they don't expose support for all the algorithms QEMU needs to use with LUKS. Address this by directly wrapping nettle/gcrypt in QEMU and avoiding GNUTLS's extra layer of indirection. This gives us support for hash functions on a much wider range of platforms and opens up ability to support more hash functions. It also avoids a GNUTLS bug which would not correctly handle hashing of large data blocks if int != size_t. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-29Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160628' ↵Peter Maydell
into staging Drop building linux-user targets on HPPA or m68k host systems and add safe_syscall support for i386, aarch64, arm, ppc64 and s390x. # gpg: Signature made Tue 28 Jun 2016 19:31:16 BST # gpg: using RSA key 0xB44890DEDE3C9BC0 # gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>" # gpg: aka "Riku Voipio <riku.voipio@linaro.org>" # Primary key fingerprint: FF82 03C8 C391 98AE 0581 41EF B448 90DE DE3C 9BC0 * remotes/riku/tags/pull-linux-user-20160628: (24 commits) linux-user: Provide safe_syscall for ppc64 linux-user: Provide safe_syscall for s390x linux-user: Provide safe_syscall for aarch64 linux-user: Provide safe_syscall for arm linux-user: Provide safe_syscall for i386 linux-user: fix x86_64 safe_syscall linux-user: don't swap NLMSG_DATA() fields linux-user: fd_trans_host_to_target_data() must process only received data linux-user: add missing return in netlink switch statement linux-user: update get_thread_area/set_thread_area strace linux-user: fix clone() strace linux-user: add socket() strace linux-user: add socketcall() strace linux-user: Support F_GETPIPE_SZ and F_SETPIPE_SZ fcntls linux-user: Fix wrong type used for argument to rt_sigqueueinfo linux-user: Create a hostdep.h for each host architecture user-exec: Remove unused code for OSX hosts user-exec: Delete now-unused hppa and m68k cpu_signal_handler() code configure: Don't allow user-only targets for unknown CPU architectures configure: Don't override ARCH=unknown if enabling TCI ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-28configure: Make AVX2 test robust to non-ELF systemsPeter Maydell
The AVX2 optimization test assumes that the object format is ELF and the system has the readelf utility. If this isn't true then configure might fail or emit a warning (since in a pipe "foo | bar >/dev/null 2>&1" does not redirect the stderr of foo, only of bar). Adjust the check so that if we don't have readelf or don't have an ELF object then we just don't enable the AVX2 optimization. Reported-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Stefan Weil <sw@weilnetz.de> Message-id: 1466287502-18730-3-git-send-email-pmaydell@chiark.greenend.org.uk
2016-06-28configure: Improve usermode relocation linker option probePeter Maydell
The probe we do to determine what flags to use to make the usermode executables use a non-default text address has some flaws: * we run it even if we're not building the user binaries * we don't expect "ld --verbose" to fail The combination of these two results in a harmless but ugly "ld: unknown option: --verbose" message when running configure on OSX. Improve the probe to only run when we need it and to fail nicely when even the backstop 'ld --verbose' approach fails. Reported-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Stefan Weil <sw@weilnetz.de> Message-id: 1466287502-18730-2-git-send-email-pmaydell@chiark.greenend.org.uk
2016-06-26configure: Don't allow user-only targets for unknown CPU architecturesPeter Maydell
For the user-only targets, we need to know something about the host CPU architecture even if we are using the TCI interpreter rather than TCG. (In particular user-exec.c has code for handling signals that needs to know about that host's context structures.) Specifically forbid building the user-only targets on unknown CPU architectures, rather than allowing them to configure but then fail when building user-exec.c. This change drops supports for two configurations which were theoretically possible before: * linux-user targets on M68K hosts using TCI * linux-user targets on HPPA hosts using TCI We don't think anybody is actually trying to use these in practice, though: * interpreted TCG on a slow host CPU would be unusably slow * the m68k user-exec.c support is missing is_write detection so guest code which writes to the same page it is executing from was broken (will include any guest program using signals) * HPPA TCG backend support was dropped two and a half years ago with no complaints Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-26configure: Don't override ARCH=unknown if enabling TCIPeter Maydell
At the moment if configure finds an unknown CPU it will set ARCH to 'unknown', and then later either bail out or set it to 'tci' (depending on whether the user passed configure the --enable-tcg-interpreter switch). This is unnecessarily confusing, because we could be using TCI in two cases: * a known host architecture (in which case ARCH is set to the actual host architecture, like 'i386') * an unknown host architecture (in which case ARCH is set to 'tci') so nothing can rely on ARCH=tci to mean "using TCI". Remove the line setting ARCH, so we leave it as "unknown", which is what the actual situation is. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-20seccomp: Add support for ppc/ppc64Michael Strosaker
Support for ppc/ppc64 is official in libseccomp 2.3.0, so modify the configuration script to allow qemuu to enable seccomp for those platforms. Signed-off-by: Michael Strosaker <strosake@linux.vnet.ibm.com>
2016-06-16configure: Remove unused CONFIG_SIGEV_THREAD_ID switchThomas Huth
The CONFIG_SIGEV_THREAD_ID switch is unused since the related code has been removed by commit 6d327171551a12b937c5718073b9848d0274c74d ("aio / timers: Remove alarm timers"), so it can safely be removed nowadays. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1465571084-19885-1-git-send-email-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-06-16avx2 configure: Use primitives in testDr. David Alan Gilbert
Use the avx2 primitives during the test, thus making sure that the compiler and assembler could actually use avx2. This also detects the failure case on gcc 4.8.x with -save-temps and avoids the need for the gcc version check in cutils. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1465557378-24105-3-git-send-email-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-06-16Make avx2 configure test work with -O2Dr. David Alan Gilbert
When configured with --extra-cflags=-O2 gcc optimised out the test and the readelf failed the check leaving avx2 disabled. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1465557378-24105-2-git-send-email-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-06-16configure: Enable -Werror for MinGW builds, tooThomas Huth
MinGW seems to compile currently without warnings, so it should be safe to enable -Werror now for this environment, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1465373606-18486-1-git-send-email-thuth@redhat.com> Tested-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-06-16configure: Remove unused CONFIG_ZERO_MALLOC settingThomas Huth
CONFIG_ZERO_MALLOC was only used in qemu-malloc.c and this file has been removed with the following commit: 41a748265f4879b52b0e87ff9c93bed975163886 Remove qemu_malloc/qemu_free So we don't need this configuration setting anymore. This patch also removes the z_version variable, since this is now also not needed anymore. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <1465398683-3152-1-git-send-email-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-06-08Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160608' ↵Peter Maydell
into staging linux-user pull request for June 2016 # gpg: Signature made Wed 08 Jun 2016 14:27:14 BST # gpg: using RSA key 0xB44890DEDE3C9BC0 # gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>" # gpg: aka "Riku Voipio <riku.voipio@linaro.org>" * remotes/riku/tags/pull-linux-user-20160608: (44 commits) linux-user: In fork_end(), remove correct CPUs from CPU list linux-user: Special-case ERESTARTSYS in target_strerror() linux-user: Make target_strerror() return 'const char *' linux-user: Correct signedness of target_flock l_start and l_len fields linux-user: Use safe_syscall wrapper for ioctl linux-user: Use safe_syscall wrapper for accept and accept4 syscalls linux-user: Use safe_syscall wrapper for semop linux-user: Use safe_syscall wrapper for epoll_wait syscalls linux-user: Use safe_syscall wrapper for poll and ppoll syscalls linux-user: Use safe_syscall wrapper for sleep syscalls linux-user: Use safe_syscall wrapper for rt_sigtimedwait syscall linux-user: Use safe_syscall wrapper for flock linux-user: Use safe_syscall wrapper for mq_timedsend and mq_timedreceive linux-user: Use safe_syscall wrapper for msgsnd and msgrcv linux-user: Use safe_syscall wrapper for send* and recv* syscalls linux-user: Use safe_syscall wrapper for connect syscall linux-user: Use safe_syscall wrapper for readv and writev syscalls linux-user: Fix error conversion in 64-bit fadvise syscall linux-user: Fix NR_fadvise64 and NR_fadvise64_64 for 32-bit guests linux-user: Fix handling of arm_fadvise64_64 syscall ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: configure scripts/qemu-binfmt-conf.sh
2016-06-08linux-user: Use safe_syscall wrapper for epoll_wait syscallsPeter Maydell
Use the safe_syscall wrapper for epoll_wait and epoll_pwait syscalls. Since we now directly use the host epoll_pwait syscall for both epoll_wait and epoll_pwait, we don't need the configure machinery to check whether glibc supports epoll_pwait(). (The kernel has supported the syscall since 2.6.19 so we can assume it's always there.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-07Fix configure test for PBKDF2 in nettleSteven Luo
On my Debian jessie system, including nettle/pbkdf2.h does not cause NULL to be defined, which causes the test to fail to compile. Include stddef.h to bring in a definition of NULL. Cc: qemu-trivial@nongnu.org Cc: qemu-stable@nongnu.org Signed-off-by: Steven Luo <steven+qemu@steven676.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07configure: Use $(..) instead of deprecated `..`Stefan Weil
This fixes these warnings from shellcheck: ^-- SC2006: Use $(..) instead of deprecated `..` Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07Fix linking relocatable objects on SparcJames Clarke
On Sparc, gcc implicitly passes --relax to the linker, but -r is incompatible with this. Therefore, if --no-relax is supported, it should be passed to the linker. Signed-off-by: James Clarke <jrtc27@jrtc27.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07linux-user: check if NETLINK_ROUTE is availableLaurent Vivier
Some IFLA_* symbols can be missing in the host linux/if_link.h, but as they are enums and not "#defines", check in "configure" if last known (IFLA_PROTO_DOWN) is available and if not, disable management of NETLINK_ROUTE protocol. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-03audio: pa: Set volume of recording stream instead of recording devicePeter Krempa
Since pulseaudio 1.0 it's possible to set the individual stream volume rather than setting the device volume. With this, setting hardware mixer of a emulated sound card doesn't mess up the volume configuration of the host. A side effect is that this limits compatible pulseaudio version to 1.0 which was released on 2011-09-27. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 78853815be2069971b89b3a2e3181837064dd8f3.1462962512.git.pkrempa@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-23configure: Allow builds with extra warningsStefan Weil
The clang compiler supports a useful compiler option -Weverything, and GCC also has other warnings not enabled by -Wall. If glib header files trigger a warning, however, testing glib with -Werror will always fail. A size mismatch is also detected without -Werror, so simply remove it. Cc: qemu-stable@nongnu.org Signed-off-by: Stefan Weil <sw@weilnetz.de> Message-Id: <1461879221-13338-1-git-send-email-sw@weilnetz.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-18configure: Use uniform description for devel packagesStefan Weil
As all other devel packages are written in the form "name devel", use this form for libcap devel and libattr devel, too. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-11configure: support vte-2.91Cole Robinson
vte >= 0.37 expores API version 2.91, which is where all the active development is. qemu builds and runs fine with that version, so use it if it's available. Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: b4f0375647f7b368d3dbd3834aee58cb0253566a.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-11configure: report SDL versionCole Robinson
Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: 98e4a3b98dc824bfaff96db43b172272c780c15f.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-11configure: report GTK versionCole Robinson
Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: 4c464e20d69fdcf21927ceed31a8d749b4af0c49.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-11configure: add echo_version helperCole Robinson
Simplifies printing library versions, dependent on if the library was even found Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: 3c9ab16123e06bb4109771ef6ee8acd82d449ba0.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-11configure: error on unknown --with-sdlabi valueCole Robinson
I accidentally tried --with-sdlabi="1.0", and it failed much later in a weird way. Instead, throw an error if the value isn't in our whitelist. Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: 60e4822e17697d257a914df03bdb9fff4b4c0490.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-11configure: build SDL if only SDL2 availableCole Robinson
Right now if SDL2 is installed but not SDL1, default configure will entirely disable SDL. Check upfront for SDL2 using pkg-config, but still prefer SDL1 if both versions are installed. Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: c9e570b5964d128a3595efe3170129a3da459776.1462557436.git.crobinso@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-02configure: Check if struct fsxattr is available from linux headerJan Vesely
Fixes build failure with --enable-xfsctl and new linux headers (>=4.5) and older xfsprogs(<4.5): In file included from /usr/include/xfs/xfs.h:38:0, from /var/tmp/portage/app-emulation/qemu-2.5.0-r1/work/qemu-2.5.0/block/raw-posix.c:97: /usr/include/xfs/xfs_fs.h:42:8: error: redefinition of ‘struct fsxattr’ struct fsxattr { ^ In file included from /var/tmp/portage/app-emulation/qemu-2.5.0-r1/work/qemu-2.5.0/block/raw-posix.c:60:0: /usr/include/linux/fs.h:155:8: note: originally defined here struct fsxattr { This is really a bug in the system headers, but we can work around it by defining HAVE_FSXATTR in the QEMU headers if linux/fs.h provides the struct, so that xfs_fs.h doesn't try to define it as well. CC: qemu-trivial@nongnu.org CC: Markus Armbruster <armbru@redhat.com> CC: Peter Maydell <peter.maydell@linaro.org> CC: Stefan Weil <sw@weilnetz.de> Tested-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Jan Vesely <jano.vesely@gmail.com> [PMM: adjusted commit message, comments] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-04-19block/gluster: prevent data loss after i/o errorJeff Cody
Upon receiving an I/O error after an fsync, by default gluster will dump its cache. However, QEMU will retry the fsync, which is especially useful when encountering errors such as ENOSPC when using the werror=stop option. When using caching with gluster, however, the last written data will be lost upon encountering ENOSPC. Using the write-behind-cache xlator option of 'resync-failed-syncs-after-fsync' should cause gluster to retain the cached data after a failed fsync, so that ENOSPC and other transient errors are recoverable. Unfortunately, we have no way of knowing if the 'resync-failed-syncs-after-fsync' xlator option is supported, so for now close the fd and set the BDS driver to NULL upon fsync error. Signed-off-by: Jeff Cody <jcody@redhat.com>
2016-04-16configure: Enable seccomp sandbox for MIPSJames Hogan
Enable seccomp on MIPS since libseccomp version 2.2.0 when MIPS support was first added. Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Acked-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
2016-03-30crypto: do an explicit check for nettle pbkdf functionsDaniel P. Berrange
Support for the PBKDF functions in nettle was not introduced until version 2.6. Some distros QEMU targets have older versions and thus lack PBKDF support. Address this by doing a check in configure for the desired function and then skipping compilation of the nettle-pbkdf.o module Reported-by: Wen Congyang <wency@cn.fujitsu.com> Tested-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-24Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* Log filtering from Alex and Peter * Chardev fix from Marc-André * config.status tweak from David * Header file tweaks from Markus, myself and Veronia (Outreachy candidate) * get_ticks_per_sec() removal from Rutuja (Outreachy candidate) * Coverity fix from myself * PKE implementation from myself, based on rth's XSAVE support # gpg: Signature made Thu 24 Mar 2016 20:15:11 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" * remotes/bonzini/tags/for-upstream: (28 commits) target-i386: implement PKE for TCG config.status: Pass extra parameters char: translate from QIOChannel error to errno exec: fix error handling in file_ram_alloc cputlb: modernise the debug support qemu-log: support simple pid substitution for logs target-arm: dfilter support for in_asm qemu-log: dfilter-ise exec, out_asm, op and opt_op qemu-log: new option -dfilter to limit output qemu-log: Improve the "exec" TB execution logging qemu-log: Avoid function call for disabled qemu_log_mask logging qemu-log: correct help text for -d cpu tcg: pass down TranslationBlock to tcg_code_gen util: move declarations out of qemu-common.h Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND hw: explicitly include qemu-common.h and cpu.h include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.h isa: Move DMA_transfer_handler from qemu-common.h to hw/isa/isa.h Move ParallelIOArg from qemu-common.h to sysemu/char.h Move QEMU_ALIGN_*() from qemu-common.h to qemu/osdep.h ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: scripts/clean-includes
2016-03-24config.status: Pass extra parametersDr. David Alan Gilbert
This allows you to do: ./config.status --the-option-you-forgot Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1452599928-7471-1-git-send-email-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22wxx: Add support for ncursesStefan Weil
We used to support only pdcurses for Windows, but recently Cygwin added mingw64-i686-ncurses and mingw64-x86_64-ncurses packages which are supported now, too. Signed-off-by: Stefan Weil <sw@weilnetz.de>
2016-03-17crypto: add support for PBKDF2 algorithmDaniel P. Berrange
The LUKS data format includes use of PBKDF2 (Password-Based Key Derivation Function). The Nettle library can provide an implementation of this, but we don't want code directly depending on a specific crypto library backend. Introduce a new include/crypto/pbkdf.h header which defines a QEMU API for invoking PBKDK2. The initial implementations are backed by nettle & gcrypt, which are commonly available with distros shipping GNUTLS. The test suite data is taken from the cryptsetup codebase under the LGPLv2.1+ license. This merely aims to verify that whatever backend we provide for this function in QEMU will comply with the spec. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add cryptographic random byte sourceDaniel P. Berrange
There are three backend impls provided. The preferred is gnutls, which is backed by nettle in modern distros. The gcrypt impl is provided for cases where QEMU build against gnutls is disabled, but crypto is still desired. No nettle impl is provided, since it is non-trivial to use the nettle APIs for random numbers. Users of nettle should ensure gnutls is enabled for QEMU. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-08configure: detect ifunc and avx2 attributeLiang Li
Detect if the compiler can support the ifun and avx2, if so, set CONFIG_AVX2_OPT which will be used to turn on the avx2 instruction optimization. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Liang Li <liang.z.li@intel.com> Message-Id: <1457416397-26671-2-git-send-email-liang.z.li@intel.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2016-02-23configure: add dma-buf support detection.Gerd Hoffmann
Set CONFIG_OPENGL_DMABUF in case both mesa and libepoxy are new enough to have support for dma-buf import/export. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-02-12Merge remote-tracking branch 'remotes/sstabellini/tags/xen-2016-02-12' into ↵Peter Maydell
staging Xen 2016-02-12 # gpg: Signature made Fri 12 Feb 2016 17:28:09 GMT using RSA key ID 70E1AE90 # gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>" * remotes/sstabellini/tags/xen-2016-02-12: xen: Drop __XEN_LATEST_INTERFACE_VERSION__ checks from prior to Xen 4.2 xen: move xenforeignmemory compat layer into common place xen: drop XenXC and associated interface wrappers xen: drop xen_xc_hvm_inject_msi wrapper xen: drop support for Xen 4.1 and older. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-11remove libtool supportMichael Tokarev
Libtool support was needed to build shared library for libcacard. Now there's no need to use libtool, and since the build system is already complicated enough, we have a way to slightly de-complicate it. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-02-10xen: drop support for Xen 4.1 and older.Ian Campbell
Xen 4.2 become unsupported upstream in 09/2015 (see http://wiki.xen.org/wiki/Xen_Release_Features). However as far as the interfaces provided by the toolstack libraries go 4.2 and 4.3 are indistinguishable. Therefore drop support for Xen 4.1 and earlier which removes a whole pile of compatibility code which makes future work (to use stable library interfaces provided by upstream) more difficult. In particular all supported versions now use a pointer as a libxc handle (4.1 and earlier used an integer, resulting in various shim layers). Also Xen 4.2 was the first version of Xen to formally support upstream QEMU (as a preview) so that makes sense as a cut-off now. This change drops all the configure-y and resulting ifdefs in a mostly mechanical way. A follow up will refactor wrappers which are now unused. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2016-02-09configure: sanity check the glib library that pkg-config findsDaniel P. Berrange
Developers on 64-bit machines will often try to perform a 32-bit build of QEMU by running ./configure --extra-cflags="-m32" Unfortunately if PKG_CONFIG_LIBDIR is not set to point to the location of the 32-bit pkg-config files, then configure will silently pick up the 64-bit pkg-config files and still succeed. This causes a problem for glib because it means QEMU will be pulling in /usr/lib64/glib-2.0/include/glibconfig.h instead of /usr/lib/glib-2.0/include/glibconfig.h This causes problems because the 'gsize' type (defined as 'unsigned long') will no longer be fully compatible with the 'size_t' type (defined as 'unsigned int'). Although both are the same size, the compiler refuses to allow casts from 'unsigned long *' to 'unsigned int *' as they are different pointer types. This results in non-obvious compiler errors when building QEMU eg qga/commands-posix.c: In function ‘qmp_guest_set_user_password’: qga/commands-posix.c:1912:55: error: passing argument 2 of ‘g_base64_decode’ from incompatible pointer type [-Werror=incompatible-pointer-types] rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen); ^ In file included from /usr/include/glib-2.0/glib.h:35:0, from qga/commands-posix.c:14: /usr/include/glib-2.0/glib/gbase64.h:52:9: note: expected ‘gsize * {aka long unsigned int *}’ but argument is of type ‘size_t * {aka unsigned int *}’ guchar *g_base64_decode (const gchar *text, ^ cc1: all warnings being treated as errors To detect this problem, add a check to configure that verifies that GLIB_SIZEOF_SIZE_T matches sizeof(size_t). If this fails print a warning suggesting that the dev probably needs to set PKG_CONFIG_LIBDIR. On Fedora x86_64 it passes with any of: # ./configure # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m64" And fails with a mis-match # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m64" ERROR: sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build target Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1453885245-15562-1-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-02-03trace: switch default backend to "log"Paolo Bonzini
This enables integration with other QEMU logging facilities. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-11-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: convert stderr backend to logPaolo Bonzini
[Also update .travis.yml --enable-trace-backends=stderr --Stefan] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-10-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-01-30target-ppc: gdbstub: Add VSX supportAnton Blanchard
Add the XML and functions to get and set VSX registers. Signed-off-by: Anton Blanchard <anton@samba.org> (fixed little-endian guests) Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-01-26xen: make it possible to build without the Xen PV domain builderIan Campbell
Until the previous patch this relied on xc_fd(), which was only implemented for Xen 4.0 and earlier. Given this wasn't working since Xen 4.0 I have marked this as disabled by default. Removing this support drops the use of a bunch of symbols from libxenctrl, specifically: - xc_domain_create - xc_domain_destroy - xc_domain_getinfo - xc_domain_max_vcpus - xc_domain_setmaxmem - xc_domain_unpause - xc_evtchn_alloc_unbound - xc_linux_build This is another step towards only using Xen libraries which provide a stable inteface. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2016-01-26xen: Use stable library interfaces when they are available.Ian Campbell
In Xen 4.7 we are refactoring parts libxenctrl into a number of separate libraries which will provide backward and forward API and ABI compatiblity. Specifically libxenevtchn, libxengnttab and libxenforeignmemory. Previous patches have already laid the groundwork for using these by switching the existing compatibility shims to reflect the intefaces to these libraries. So all which remains is to update configure to detect the libraries and enable their use. Although they are notionally independent we take an all or nothing approach to the three libraries since they were added at the same time. The only non-obvious bit is that we now open a proper xenforeignmemory handle for xen_fmem instead of reusing the xen_xc handle. Build tested with 4.0 .. 4.6 (inclusive) and the patches targetting 4.7 which adds these libraries. This uses CONFIG_XEN_CTRL_INTERFACE_VERSION == 471 to cover the introduction of these new interfaces. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2016-01-11configure: fix trace backend checkMarc-André Lureau
Found thanks to shellcheck! Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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